PreDiabetes: Impaired Glucose ToleranceLaboratory values for impaired glucose tolerance:%u2022 Fasting glucose: 5.5 to 6.9 mmol/L%u2022 2-hour post-prandial glucose: 7.8 to 11.0 mmol/LNote:%u2022 These values indicate increased risk for developing type 2 diabetes and cardiovascular disease.